<!DOCTYPE html>
<html lang="en">
<head>
  <!-- 使用三个花括号进行123  -->
  {{{meta}}}
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>{{ title }}</title>
</head>
<body>
   <!--vue-ssr-outlet--> 
</body>
</html>